CastleMail is a powerful yet simple to use email application which helps you send personalized emails to your customers and / or newsletter subscribers. Easily send personalized email newsletters product update information client notifications using message templates. Send plain text and / or HTML formatted messages with any number of embedded replacement fields which are substituted for each message sent. For example substitute your customer''s first name into the email automatically before it is sent. Create reusable message templates which you can load at the click of a button. Import unlimited group lists with personal details such as first name and company name. Define and maintain multiple profiles each with its own From name email address SMTP server server port and HELO name. No need to CC a long list of people - each person gets their own individually personalized copy of the email. CastleMail uses the SMTP server of your choice - for example your ISPs SMTP server. If you want a fast free SMTP server to run on your PC we recommend that you have a look at the free version of PostCast Server.